Remember the last input focus of a Container and restore it when focused

[libs/gltk.git] / source / container.cpp

diff --git a/source/container.cpp b/source/container.cpp
index a0d1fd748fc7abb3f353babe6a655a4345759515..03dff1137bfdf6416f6d755c61bae65604f8733b 100644 (file)
--- a/source/container.cpp
+++ b/source/container.cpp
@@ -17,6 +17,7 @@ Container::Container():
        pointer_focus(0),
        pointer_grabbed(false),
        input_focus(0),
+       saved_input_focus(0),
        touch_focus(0)
 { }
 
@@ -151,12 +152,10 @@ void Container::set_input_focus(Widget *wdg)
                        input_focus->focus_out();
 
                input_focus = wdg;
+               on_input_focus_changed(input_focus);
 
                if(input_focus)
-               {
-                       raise(*wdg);
                        input_focus->focus_in();
-               }
        }
 }
 
@@ -314,8 +313,16 @@ bool Container::character(wchar_t ch)
                return false;
 }
 
+void Container::focus_in()
+{
+       if(saved_input_focus && saved_input_focus->get_parent()==this)
+               set_input_focus(saved_input_focus);
+       Widget::focus_in();
+}
+
 void Container::focus_out()
 {
+       saved_input_focus = input_focus;
        set_input_focus(0);
        Widget::focus_out();
 }
@@ -356,6 +363,12 @@ void Container::on_reparent()
        }
 }
 
+void Container::on_input_focus_changed(Widget *wdg)
+{
+       if(wdg)
+               raise(*wdg);
+}
+
 
 Container::Child::Child(Container &c, Widget *w):
        container(c),